存储过程，稍微复杂

if (exists (select * from sys.objects where name = 'proc_initialization_jz'))
    drop proc proc_initialization_jz
go
create proc proc_initialization_jz
as
  BEGIN
  DECLARE
  @A0100    varchar(30),
  @A91A2     varchar(30),
  @A91AA     varchar(30),
  @A91A9    varchar(30),
  @A91A4   varchar(300),
  @syncKey  varchar(100),
  @MaxI9999 integer,
  @I9999    integer,
  @jz_str   varchar(300)
  DECLARE c_jz CURSOR FOR SELECT distinct A0100 FROM USRA91 WHERE A91A7='0';
  OPEN c_jz;
  FETCH NEXT FROM c_jz INTO @A0100
      WHILE (@@FETCH_STATUS = 0)
      BEGIN
       SET @jz_str=''
       DECLARE c_jz1 CURSOR FOR SELECT A91A2,A91AA,A91A9,A91A4 FROM USRA91 WHERE A0100=@A0100 and A91A7='0' order by i9999;
    OPEN c_jz1;
          FETCH NEXT FROM c_jz1 INTO @A91A2, @A91AA,@A91A9,@A91A4
        WHILE (@@FETCH_STATUS = 0)
              BEGIN   
              SELECT @syncKey = GUIDKEY FROM UsrA01 WHERE A0100=@A0100
              IF LEN(@jz_str) >0 AND ISNULL(@A91A2,'') <>'' AND ISNULL(@A91AA,'')<>'' AND ISNULL(@A91A9,'')<>'' AND ISNULL(@A91A4,'')<>''
                  SET @jz_str = @jz_str + ';' +@A91A2+ '@'+ @A91AA + '@' + @A91A9 + '@' + @A91A4
              ELSE IF ISNULL(@A91A2,'') <>'' AND ISNULL(@A91AA,'')<>'' AND ISNULL(@A91A9,'')<>'' AND ISNULL(@A91A4,'')<>''
                  SET @jz_str = @A91A2+ '@'+ @A91AA + '@' + @A91A9 + '@' + @A91A4
          FETCH NEXT FROM c_jz1 INTO @A91A2, @A91AA,@A91A9,@A91A4
    END;
       CLOSE c_jz1;
          DEALLOCATE c_jz1;
   
       IF EXISTS(SELECT 1 FROM t_hr_view WHERE t_hr_view.UNIQUE_ID=@syncKey)
          BEGIN
          UPDATE t_hr_view SET H01ST = @jz_str,sdate = GETDATE() WHERE t_hr_view.UNIQUE_ID=@syncKey;
          END;
   FETCH NEXT FROM c_jz INTO @A0100
   END;
   CLOSE c_jz;
   DEALLOCATE c_jz;
 END